@misc{Hewson_R._Changes_1972,
 author={Hewson, R.},
 volume={168},
 copyright={Rights Reserved - Restricted Access},
 address={London},
 journal={Journal of Zoology, Lond.},
 howpublished={online},
 year={1972},
 publisher={Wiley-Blackwell},
 language={eng},
 title={Changes in the number of stoats, rats and little owls in Yorkshire as shown by tunnel trapping},
 type={Text},
 keywords={Owls, Rats, Trapping, Yorkshire},
}